Definition: In this task, you are given inputs i,j, and A, where i and j are integers and A is a list. You need to return the sum of all the numerical elements in the list A between the positions i and j (including positions i and j). Return 0 if no numerical element is present in the list between the given ranges. i and j will be non-negative, and will always have a value less than the length of A. i will always be less than j.
Input: 2, 8, ['r', 'n', 'b', '5427', 'r', 'e', '9103', '6857', '9717', 'x', 'N', 'm', '567', 'Z', 'B', 'r']

21387